Rigid clamp AirLoc Wedgmount® Precision Levelers with spherical seat and with the Compact system, the spring tensioning of top and bottom part. The best choice when machines do not require vibration isolation and have to be connected to the floor or foundation prestressed. For machine supports that are rough or for uneven floors, the spherical seat version guarantees a ﬁxed connection to a slope of up to 3°.